diff --git a/.Rbuildignore b/.Rbuildignore
index 372cfa3..857586b 100644
--- a/.Rbuildignore
+++ b/.Rbuildignore
@@ -1,4 +1,6 @@
 ^.*\.Rproj$
 ^\.Rproj\.user$
 ^\.travis\.yml$
-^decision-tree-schematic\.pdf$
\ No newline at end of file
+^decision-tree-schematic\.pdf$
+^inst/app/.lib$
+^inst/app/.drat$